Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhat vu hoi snippets" » "nhat vu code snippets", "nhat ve hoi snippets", "nhat tu hoi snippets", "nhat ngu hoi snippets", "nhat vu khoi snippets", "nhat va hoi snippets", "nhat vu hai 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 vu hoi 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 vu hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhat vu hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat vu hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.