Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luong van vo snippets" » "luong van code snippets", "luong va vo snippets", "duong van vo snippets", "luong vat vo snippets", "luong van von snippets", "luong van vu snippets", "luong van do snippets"
"python using java snippets" » "python using data snippets"

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 vo 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 vo snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luong van vo snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luong van vo snippets"))) or ("locating bug core snippets"))*.