Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao su choi snippets" » "khap su choi snippets", "khao sat choi snippets", "khao cuu choi snippets", "khao tu choi snippets", "khao san choi 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 su choi 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 su choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao su choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao su choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.