Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tam hoc snippets" » "thi thao hoc snippets", "thi tran hoc snippets", "thi tam hon snippets", "thi am hoc snippets", "thi tam ho 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: (((("thi tam hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi tam hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi tam hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tam hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.