Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc hat ca snippets" » "ngoc hoat ca snippets", "ngoc hai ca snippets", "ngoc ha ca snippets", "ngoc hat cua snippets", "ngoc tat ca snippets", "ngoc hat 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: (((("ngoc hat 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: (((("ngoc hat ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc hat ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc hat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.