Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"loc tinh do snippets" » "loc tinh code snippets", "hoi tinh do snippets", "hoa tinh do snippets", "o tinh do snippets", "loc trinh do snippets", "loc tinh doi snippets", "loc tinh da 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: (((("loc tinh do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("loc tinh do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( loc tinh do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loc tinh do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.