Perhaps you should try some spelling variations:
"huu tao canh snippets" » "huu tao code snippets", "huu tao anh snippets", "huu tao can snippets", "huu tao danh snippets", "huu tai canh snippets", "cuu tao canh snippets", "huu hao canh 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 ("huu tao 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 ("huu tao canh snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( huu tao canh snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("huu tao canh snippets"))) or ("locating bug core snippets"))*.