Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham voi chi snippets" » "cham hoi chi snippets", "pham voi chi snippets", "cham soc chi snippets", "cham doi chi snippets", "cham voi chien snippets", "cham hoi chiu 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: (((("cham voi 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: (((("cham voi chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham voi chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham voi chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.