Perhaps you should try some spelling variations:
thuc tien » thuc hien
huu them » huu thu, huu thuc, huu liem
dang van » hoang van, hang va
hanh dai » hanh tai, hanh dao, vanh dai
truc va » thuc va, thuc vat, trung va
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
ky dang » ky nang, ky danh
tuc va » thuc va, tuc xa, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky dang van hoa. hieu va cac ((tuc va) or (truc va)) hanh dai ((thuc tien) or (huu them))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky dang van hoa. hieu va cac ((tuc va) OR (truc va)) hanh dai ((thuc tien) OR (huu them)).
• Adding a wildcard symbol may retrieve word variants: vu sach ky dang van hoa. hieu va cac ((tuc va) or (truc va)) hanh dai ((thuc tien) or (huu them))*.