Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nha luoc can snippets" » "nha nuoc can snippets", "nha thuoc can snippets", "nhan cuoc can snippets", "nha luc canh snippets", "nha hoc can snippets", "nha luoc dai 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: (((("nha luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nha luoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nha luoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nha luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.