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