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