Perhaps you should try some spelling variations:
"tao hoi cong snippets" » "tao hoi code snippets", "tao hoc cong snippets", "tao hoa cong snippets", "tao hoi dong snippets", "tao khoi cong snippets", "tao boi cong snippets", "tay hoi 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 hoi 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 hoi cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tao hoi cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tao hoi cong snippets"))) or ("locating bug core snippets"))*.