Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chu dan cach snippets" » "chu dan code snippets", "chu dan cac snippets", "chu dan canh snippets", "chu nhan cach snippets", "chua dan cach snippets", "chu han cach snippets", "chu van cach 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: (((("chu dan cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu dan cach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chu dan cach snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu dan cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.