Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
chieu sach » chinh sach, chiet tach, chieu sang
ngang chat » nang cham, ngang cho, nhan chat
hanh sinh » hanh tinh, hanh dinh, hinh sinh
ngan nhat » ngan nam, nam nhat, tran nhat
ho chieu » theo chieu, hoc thieu, mot chieu
va khong » va thong, va phong, va thuong
sinh va » sinh vat, tinh va, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh sinh va khong cong ((ngang chat) OR (ngan nhat)) ran~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh sinh va khong cong ((ngang chat) OR (ngan nhat)) ran*".