Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phung vu cho snippets" » "hung vu cho snippets", "phung van cho snippets", "phung duc cho snippets", "phung vu cao snippets", "phung cu cho snippets", "phung uu cho 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: (((("python using java snippets") or ("phung vu cho snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phung vu cho snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phung vu cho snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("phung vu cho snippets"))) or ("locating bug code snippets"))*.