Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"com duoc hoi snippets" » "com duoc code snippets", "co duoc hoi snippets", "com duoi hoi snippets", "hoa duoc hoi snippets", "com quoc hoi snippets", "com duoc hoc snippets", "com duoc si 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: (((("com duoc hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("com duoc hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( com duoc hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("com duoc hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.