Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao ha cham snippets" » "khat ha cham snippets", "khao sat cham snippets", "khac hau cham snippets", "khao hay cham snippets", "khao va cham snippets", "khao ha chau 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 ha cham 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 ha cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao ha cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao ha cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.