Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soc tuong le snippets" » "soc duong le snippets", "suc tuong le snippets", "hoc thuong le snippets", "soc thuong le snippets", "soc tuong len snippets", "soc trong 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: (((("soc tuong le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("soc tuong le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soc tuong le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soc tuong le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.