Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
thu nang » thu hang, thu bang, tho nang
thi nang » thi cong, ki nang, thi hanh
van hang » van khang, van hoang, van thang
tuc van » thuc van, truc van, tuc va
hang di » hang doi, hang vi, hang dien
so sach » so sanh, bo sach, co sach
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam

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 ((thu nang) OR (thi nang)) xa hoi. hieu ve cam tuc van hang di ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((thu nang) OR (thi nang)) xa hoi. hieu ve cam tuc van hang di ((cua triet) OR (su triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((thu nang) OR (thi nang)) xa hoi. hieu ve cam tuc van hang di ((cua triet) or (su triet))*".