Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tru luoc can snippets" » "tru quoc can snippets", "tru thuoc can snippets", "muu luoc can snippets", "tru luc canh snippets", "tru hoc can snippets", "tru luoc dai 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: (((("tru luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tru luoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tru luoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tru luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.