Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong van ca snippets" » "dong van code snippets", "duong van ca snippets", "dang van ca snippets", "dong von ca snippets", "dong van cau snippets", "dong van cua snippets", "dong 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 ("dong 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 ("dong van ca snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dong van ca snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dong van ca snippets"))) or ("locating bug core snippets"))*.