Perhaps you should try some spelling variations:
cac trieu » cac tieu, cau trieu, cac kieu
cua triet » cua viet, su triet, va triet
bach tuoc » sach duoc, sach nuoc
hanh tai » thanh tai, hang tai, han tai
hieu va » lieu va, hieu qua
bac tuc » bac tu, bac thua
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. hieu va ((bac tuc) or (bach tuoc)) va hanh tai ((cua triet) or (cac trieu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang x hoi. hieu va ((bac tuc) OR (bach tuoc)) va hanh tai ((cua triet) OR (cac trieu)).
• Adding a wildcard symbol may retrieve word variants: su sach y nang x hoi. hieu va ((bac tuc) or (bach tuoc)) va hanh tai ((cua triet) or (cac trieu))*.