Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hoat doi snippets" » "thi hoa doi snippets", "thi hoan doi snippets", "thi hoai doi snippets", "thi hat doi snippets", "thi hoat dong 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 hoat doi 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 hoat doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hoat doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hoat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.