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