Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong lan ho snippets" » "trong san ho snippets", "trong lam ho snippets", "trong tan ho snippets", "trong lan cho snippets", "trong lan kho snippets", "trong can 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 lan 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 lan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong lan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong lan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.