Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"2 hanh doanh snippets" » "2 hang doanh snippets", "2 chinh doanh snippets", "2 doanh doanh snippets", "20 hanh doanh snippets", "2 han doanh snippets", "2 hanh doanh 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: (((("2 hanh doanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("2 hanh doanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( 2 hanh doanh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("2 hanh doanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.