Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu luoc can snippets" » "thu quoc can snippets", "thu thuoc can snippets", "thuc cuoc can snippets", "thu luc canh snippets", "thu hoc can snippets", "thu 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: (((("thu 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: (((("thu luoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu luoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.