Perhaps you should try some spelling variations:
"duoc va chat snippets" » "duoc va code snippets", "nuoc va chat snippets", "duc va chat snippets", "duoc ma chat snippets", "duoc van chat snippets", "duoc va phat snippets", "duoc va cham 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 ("duoc va chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duoc va chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( duoc va chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duoc va chat snippets"))) or ("locating bug core snippets"))*.