Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau tho do snippets" » "chat thom do snippets", "cau thi do snippets", "phu tho do snippets", "chau tho o snippets", "chau ho do snippets", "chau tho da 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 tho do 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 tho do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau tho do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau tho do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.