Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh van cai snippets" » "trinh van cai snippets", "sinh vat cai snippets", "dinh van hai snippets", "dinh van chi snippets", "dinh van cau 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: (((("dinh van cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh van cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh van cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh van cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.