Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"me trinh doi snippets" » "me trinh code snippets", "me trinh do snippets", "me trinh hoi snippets", "me tinh doi snippets", "me linh doi snippets", "co trinh doi snippets", "me tri doi 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: (((("me trinh doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("me trinh doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( me trinh doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("me trinh doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.