Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat trong ho snippets" » "viet trong ho snippets", "cay trong ho snippets", "dot trong ho snippets", "vat trong tho snippets", "vat trong cho snippets", "vat trong hao 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: (((("vat trong ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vat trong ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat trong ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat trong ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.