Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
dang xay » dang van, van xay
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
va hanh » van hanh, va thanh, va danh
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
sach ky » sac ky, sach y, sach ty
vai cua » dai cua, hai cua, lai cua
cac ly » cac ky, cam ly, cap ly
cac le » cach le, cac he, mac le
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky dang xay hoi. hieu hien ((cac ly) OR (cac le)) va hanh vai cua su~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky dang xay hoi. hieu hien ((cac ly) OR (cac le)) va hanh vai cua su".
• Adding a wildcard symbol may retrieve word variants: su sach ky dang xay hoi. hieu hien ((cac ly) OR (cac le)) va hanh vai cua su*.