Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat moi cua snippets" » "nha moi cua snippets", "nhat mpsi cua snippets", "nhap mon cua snippets", "nhat hoi cua snippets", "nhat doi cua snippets", "nhat moi quan 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: (((("nhat moi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat moi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat moi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat moi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.