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