Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu cong loc snippets" » "thu cong loc snippets", "thi cong loc snippets", "cuu cong loc snippets", "khu cong lon snippets", "khu cong coc snippets", "khu cong uoc 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: (((("khu cong loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu cong loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu cong loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu cong loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.