Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
thanh tai » thanh hai, thanh toan, doanh tai
cua triet » cua viet, su triet, va triet
hoc sach » hoc sinh, hoc cac, hoc anh
thuc van » thuc vat, thuc dan, thuc va
hanh dao » lanh dao, thanh dat, thanh dam
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
hieu vi » hieu voi, hieu va, hieu ve
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ky nang ma hoi. hieu vi pham thuc van ((thanh tai) or (hanh dao)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky nang ma hoi. hieu vi pham thuc van ((thanh tai) OR (hanh dao)) cua triet.
• Adding a wildcard symbol may retrieve word variants: hoc sach ky nang ma hoi. hieu vi pham thuc van ((thanh tai) or (hanh dao)) cua triet*.