Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nha hoc minh snippets" » "nha hoc sinh snippets", "nha hoc kinh snippets", "nha hoc vinh snippets", "nha thuoc minh snippets", "khoa hoc minh snippets", "nha nuoc minh snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nha hoc minh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"nha hoc minh snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( nha hoc minh snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nha hoc minh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.