Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao cu uoc snippets" » "khao cuu uoc snippets", "khao co uoc snippets", "chao chu uoc snippets", "khao cu soc snippets", "khao cua nuoc snippets", "khao cua quoc 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 cu uoc 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 cu uoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao cu uoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao cu uoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.