Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang giac mo snippets" » "nang giao mo snippets", "canh giac mo snippets", "dang giao mo snippets", "nang giac do snippets", "nang giac mong snippets", "nang gian mot 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: (((("nang giac mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang giac mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang giac mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang giac mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.