Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
lang man » lang van, lang ban, lang mai
cham cuu » chat cua
sach ky » sac ky, sach y, sach ty
kem cua » em cua, keo cua, diem cua
ve hanh » ve thanh, ve canh, va hanh
te sach » toc sach
man hoi » man hoai, dan hoi, van hoi
hieu ve » hieu van
ky lang » ky nang, ky dang, ky tang
hieu va » lieu va, hieu qua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang man hoi. ((hieu ve) or (hieu va)) ((cham cuu) or (cap cuu)) ve hanh kem cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang man hoi. ((hieu ve) OR (hieu va)) ((cham cuu) OR (cap cuu)) ve hanh kem cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang man hoi. ((hieu ve) or (hieu va)) ((cham cuu) or (cap cuu)) ve hanh kem cua triet*.