Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc tao voi snippets" » "phuc tap voi snippets", "phuc tho voi snippets", "phuc tai voi snippets", "phuc tao boi snippets", "phuc tao hoi snippets", "phuc dao voi 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: (((("phuc tao voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc tao voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc tao voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc tao voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.