Perhaps you should try some spelling variations:
"tao hoc cach snippets" » "tao hoc code snippets", "tao hoc cac snippets", "tao hoc sach snippets", "tao cuoc cach snippets", "thao hoc cach snippets", "cao hoc cach snippets", "bao hoc cach snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

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 hoc cach 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 hoc cach snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tao hoc cach snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tao hoc cach snippets"))) or ("locating bug core snippets"))*.