Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trao khoi c snippets" » "tao khoi c snippets", "tao hoi c snippets", "thao khoa c snippets", "trao khoi oc snippets", "trao khoi can snippets", "trao khoi cua 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: (((("trao khoi c snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trao khoi c snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trao khoi c snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trao khoi c snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.