Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi tinh do snippets" » "hoi tinh code snippets", "vi tinh do snippets", "bi tinh do snippets", "ha tinh do snippets", "hoi trinh do snippets", "hoi tinh doi snippets", "hoi 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: (((("hoi 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: (((("hoi tinh do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi tinh do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi tinh do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.