Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"de ton cham snippets" » "de ton code snippets", "de toc cham snippets", "de trong cham snippets", "de song cham snippets", "de toni cham snippets", "de tin cham snippets", "ke ton cham 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: (((("de ton cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de ton cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( de ton cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de ton cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.