Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong hu cua snippets" » "trong thu cua snippets", "trong hue cua snippets", "trong chu cua snippets", "trong tu cua snippets", "trong vu cua 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 hu cua 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 hu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong hu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.