Perhaps you should try some spelling variations:
nang hanh » nang thanh, dang hanh, nang hang
thi nang » ki nang, thi hanh
thi cong » tai cong, thien cong
hanh noi » ha noi, hanh vi, nang noi
va danh » va dinh, va hanh, dia danh
so sach » so sanh, bo sach, co sach
cong ha » cong hoa, dong ha, cong tac
vu sach » vu bach, su sach, vu khach
cau tra » ca tra, cau ra, cau truc
ha hoi » hoa hoi, ha noi, xa hoi
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (vu sach)) thi cong ha hoi. thi nang hanh noi ((va danh) or (va dan)) dat cau tra~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (vu sach)) thi cong ha hoi. thi nang hanh noi ((va danh) OR (va dan)) dat cau tra.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (vu sach)) thi cong ha hoi. thi nang hanh noi ((va danh) or (va dan)) dat cau tra*.