Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan qua cham snippets" » "tan qua code snippets", "tan qua hai snippets", "tan qua cac snippets", "tan va cham snippets", "tan quy cham snippets", "tan cua cham snippets", "tan sua 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: (((("tan qua 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: (((("tan qua cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tan qua cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan qua cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.