Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham voi cuc snippets" » "pham vi cuc snippets", "cham voi cuc snippets", "pham doi cuc snippets", "pham voi cuoc snippets", "pham voi cac snippets", "pham voi luc 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: (((("pham voi cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham voi cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham voi cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham voi cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.