Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong tai he snippets" » "trong thai he snippets", "truong tai he snippets", "trong tan he snippets", "trong tai hoe snippets", "trong tai ha snippets", "trong tai le 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 tai he 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 tai he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong tai he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong tai he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.