Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung chu le snippets" » "nhung chu code snippets", "nhung cau le snippets", "nhung phu le snippets", "hung chu le snippets", "nhung chu de snippets", "nhung nhu le snippets", "nhung chul lee 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 chu 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 chu le snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhung chu le snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung chu le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.