Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc cua det snippets" » "thuc cua det snippets", "hoc cua det snippets", "phuc vu det snippets", "phuc cua dieu snippets", "phuc cua viet 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 cua det 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 cua det snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc cua det snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc cua det snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.