Perhaps you should try some spelling variations:
bach khoa » anh khoa
que thuat » ve thuat, cuu thuat, que phat
thuat doc » thuat duoc, thuat do, thuat doi
sach kho » sach dao, sach nha, sach kem
hieu que » hieu qua, hieu quy, hieu quan
su triet » su viet, su tien, ve triet
tang xa » trang xa, tang ma, lang xa
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
doc va » duoc va, hoc va, duc va
ve su » va su

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((sach kho) or (bach khoa)) tang xa hoi. hieu que thuat doc va hanh ve su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((sach kho) OR (bach khoa)) tang xa hoi. hieu que thuat doc va hanh ve su triet.
• Adding a wildcard symbol may retrieve word variants: thuat ((sach kho) or (bach khoa)) tang xa hoi. hieu que thuat doc va hanh ve su triet*.