Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc tap che snippets" » "thuc tap che snippets", "hoc tap che snippets", "tuc tap che snippets", "phuc tap chi snippets", "phuc tap cho snippets", "phuc tai che 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 tap che 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 tap che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc tap che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc tap che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.