Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc hoc chi snippets" » "trac hoc chi snippets", "tru hoc chi snippets", "truc hoa chi snippets", "truc hoc chia snippets", "truc hoc cho snippets", "truc hoc chu 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: (((("truc hoc chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truc hoc chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc hoc chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc hoc chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.