Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong tin ca snippets" » "thong tin ca snippets", "trong tan ca snippets", "trong tieng ca snippets", "trong tinh ca snippets", "trong tin cac 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: (((("trong tin 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: (((("trong tin ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong tin ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong tin ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.