Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuyen so dk snippets" » "chuyen su dk snippets", "chuyen do dk snippets", "chuyen o dk snippets", "chuyen so du snippets", "chuyen so do 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: (((("chuyen so dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuyen so dk snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuyen so dk snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuyen so dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.