Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dieu hanh ca snippets" » "dieu hanh cac snippets", "dieu hanh cat snippets", "dieu hanh cua snippets", "hieu hanh ca snippets", "dien hanh ca 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: (((("dieu hanh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dieu hanh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dieu hanh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dieu hanh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.