Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nha hoc de snippets" » "nha hoc code snippets", "nha thuoc de snippets", "khoa hoc de snippets", "nha nuoc de snippets", "nha hoc he snippets", "nha hoc te snippets", "nha hoc do 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: (((("nha hoc de 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 de snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( nha hoc de snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nha hoc de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.