Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san hanh noi snippets" » "san thanh noi snippets", "ban hanh noi snippets", "van hanh noi snippets", "san ha noi snippets", "san hanh vi 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: (((("san hanh noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san hanh noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san hanh noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san hanh noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.