Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duong le le snippets" » "duong le code snippets", "duong ve le snippets", "vuong le le snippets", "dung le le snippets", "duong le te snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duong le 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: (((("duong le le snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duong le le snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong le le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.