Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sang cho cho snippets" » "sang cho code snippets", "danh cho cho snippets", "dung cho cho snippets", "sang tao cho snippets", "sang choi cho snippets", "sang cao cho snippets", "sang cho chu 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: (((("sang cho 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: (((("sang cho cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( sang cho cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang cho cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.