Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi cuu tong snippets" » "khi cuu cong snippets", "khi cuu long snippets", "khi cuu tinh snippets", "khi cua tong snippets", "khi cu tong snippets", "khao cuu tong 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: (((("khi cuu tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi cuu tong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi cuu tong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi cuu tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.