Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cua quoc » cua nuoc, cua thuoc
thanh vi » hanh vi, thanh va, thanh ve
thu sach » thuat sach, thuoc sach, thu hoach
cao vuc » cao duc, cao vu, cao quoc
cao suc » cao su, cao duc
tu sach » su sach, te sach, tu cach
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu sach)) y nang ma hoi. hieu va ((cao vuc) or (cao suc)) van thanh vi cua quoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y nang ma hoi. hieu va ((cao vuc) OR (cao suc)) van thanh vi cua quoc.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) y nang ma hoi. hieu va ((cao vuc) or (cao suc)) van thanh vi cua quoc*.