Perhaps you should try some spelling variations:
"thi cao hoat snippets" » "thi cao code snippets", "thi co hoat snippets", "thi cao chat snippets", "thi dan hoat snippets", "thai cao hoat snippets", "thi hao hoat snippets", "thi bao hoat 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 ("thi cao hoat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi cao hoat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi cao hoat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi cao hoat snippets"))) or ("locating bug core snippets"))*.