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