Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau chi con snippets" » "chau phi con snippets", "thu chi con snippets", "chat cho con snippets", "chau chi cong snippets", "chau cho con snippets", "chau khi con 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 chi con 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 chi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau chi con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau chi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.