Perhaps you should try some spelling variations:
"cap van canh snippets" » "cap van code snippets", "cap van anh snippets", "cap van hanh snippets", "cap van manh snippets", "cac van canh snippets", "cao van canh snippets", "tap van canh snippets"
"locating bug core snippets" » "locating bug code 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 ("cap van canh snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cap van canh snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cap van canh snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cap van canh snippets"))) or ("locating bug core snippets"))*.