Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi tam cua snippets" » "doi tram cua snippets", "doi nam cua snippets", "don tam cua snippets", "doi lam cua snippets", "doi dam cua 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: (((("doi tam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi tam cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi tam cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.