Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung thu le snippets" » "nhung thu code snippets", "hung thu le snippets", "nhung phu le snippets", "nhung chu le snippets", "nhung thu les snippets", "nhung thu xe snippets", "nhung tu le 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: (((("nhung thu le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung thu le snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhung thu le snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung thu le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.