Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong he ho snippets" » "trong che ho snippets", "trong hue ho snippets", "trong le ho snippets", "trong he kho snippets", "trong hen ho 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 he ho 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 he ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong he ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong he ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.