Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc xa mong snippets" » "tuc xa mong snippets", "truc va mong snippets", "truoc xay mong snippets", "truc xa muong snippets", "truc xa 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: (((("truc xa mong 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 xa mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc xa mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc xa mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.