Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam quang cu snippets" » "lao quang cu snippets", "pham quang cu snippets", "ngam quang cu snippets", "lam quang cua snippets", "lam quang huy snippets", "lam quang cao 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 quang cu 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 quang cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam quang cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam quang cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.