Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ton luc chua snippets" » "ton luc cua snippets", "ton truc chua snippets", "ton sua chua snippets", "ton duc chua snippets", "dong luc chua snippets", "tong cuc chua 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: (((("ton luc chua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ton luc chua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ton luc chua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ton luc chua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.