Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi tao cho snippets" » "hoi tao code snippets", "hoi thao cho snippets", "hoi tai cho snippets", "hoi tho cho snippets", "hoi tao cao snippets", "hoi cao cho snippets", "hoi dao cho snippets"
"python using java snippets" » "python using data 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: (((("hoi tao cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi tao cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi tao cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi tao cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.