Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao cuu dot snippets" » "cham cuu dot snippets", "chao chu dot snippets", "kho cua dot snippets", "khao cuu mot snippets", "khao cuu duoc snippets", "khao cuu vuot 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: (((("khao cuu dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khao cuu dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao cuu dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao cuu dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.