Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac bieu ho snippets" » "cac kieu ho snippets", "cac bien ho snippets", "cac dieu ho snippets", "cac bieu o snippets", "cac bieu do snippets", "cac lieu 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: (((("cac bieu 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: (((("cac bieu ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac bieu ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac bieu ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.