Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau tan ca snippets" » "chau van ca snippets", "chau tinh ca snippets", "chau nhan ca snippets", "chau tan cua snippets", "chau tang ca snippets", "chau dan ca 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: (((("chau tan ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chau tan ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau tan ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau tan ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.