Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trao tinh ca snippets" » "tao tinh ca snippets", "trach tinh ca snippets", "tru tinh ca snippets", "trao tinh cao snippets", "trao tinh cua snippets", "trao tinh va 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: (((("trao tinh 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: (((("trao tinh ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trao tinh ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trao tinh ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.