Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong phan le snippets" » "dong phan code snippets", "dung phan le snippets", "cong phan le snippets", "dong chan le snippets", "dong pham le snippets", "dong phan mem snippets", "dong phan lap 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: (((("dong phan 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: (((("dong phan le snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong phan le snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong phan le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.