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