Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhat chi cua snippets" » "nhat chi code snippets", "nhat cho cua snippets", "nhat chieu cua snippets", "nhat pcsi cua snippets", "nhat chi cuc snippets", "nhat khi cua snippets", "nhat cuoi cua snippets"
"python using java snippets" » "python using data 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 chi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat chi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhat chi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat chi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.