Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
canh sinh » canh tinh, canh binh, tinh sinh
vai nhung » va nhung, voi nhung, vap nhung
ve nhung » va nhung, tu nhung
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
ho bien » pho bien, hoa bien, so bien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho bien tinh - canh sinh ((ve nhung) or (vai nhung)) cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - canh sinh ((ve nhung) OR (vai nhung)) cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - canh sinh ((ve nhung) or (vai nhung)) cong dan phan cau*.