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