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