Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chau phu son snippets" » "chau phi son snippets", "chau au son snippets", "chau tho son snippets", "chau phu san snippets", "chau pho son snippets", "chau phu dong 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 phu son 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 phu son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chau phu son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chau phu son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.