Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luong van da snippets" » "luong van code snippets", "luong va da snippets", "duong van da snippets", "luong vat da snippets", "luong van dao snippets", "luong van dau snippets", "luong van dan 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: (((("python using java snippets") or ("luong van da snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("luong van da snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luong van da snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luong van da snippets"))) or ("locating bug core snippets"))*.