Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc hoc cac snippets" » "trac hoc cac snippets", "tru hoc cac snippets", "truc hoa cac snippets", "truc hoc cao 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 cac 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 cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc hoc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc hoc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.