Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong so chu snippets" » "trong co chu snippets", "trong su chu snippets", "trong o chu snippets", "trong ho chu snippets", "trong so cau 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 so chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong so chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong so chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong so chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.