Perhaps you should try some spelling variations:
"lua cau hong snippets" » "lua cau code snippets", "lua cau hoang snippets", "lua cau cong snippets", "lua cau dong snippets", "luat cau hong snippets", "cua cau hong snippets", "quan cau hong snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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 ("lua cau hong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lua cau hong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua cau hong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua cau hong snippets"))) or ("locating bug core snippets"))*.