Perhaps you should try some spelling variations:
"trong cap trinh snippets" » "trung cap trinh snippets", "trong cac trinh snippets", "trong ca trinh snippets", "trong lap trinh snippets", "trong tap tinh snippets", "trong co trinh snippets"
"dung dung co snippets" » "duong dung co snippets", "ung dung co snippets", "dung ung co snippets", "dung dung cho snippets", "dung dung cong snippets", "dung dung cua snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trong cap trinh snippets") or ("dung dung co snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong cap trinh snippets") OR ("dung dung co snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong cap trinh snippets ) or ( dung dung co snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong cap trinh snippets") or ("dung dung co snippets"))) or ("locating bug code snippets"))*.