Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
phan thuc » nhan thuc, phap thuc, pham thuc
hang tai » hang va, dung tai
vat hang » van hang, dat hang, va hang
mai khoi » mai khoa, tai khoa, cac khoi
te sach » toc sach
ve phan » va phan, ke phan, ve phat
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
cua te » cua tu

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 ((y nang) OR (v nang)) mai khoi. hieu ve phan thuc vat hang tai ((cua te) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (v nang)) mai khoi. hieu ve phan thuc vat hang tai ((cua te) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (v nang)) mai khoi. hieu ve phan thuc vat hang tai ((cua te) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (v nang)) mai khoi. hieu ve phan thuc vat hang tai ((cua te) or (cua triet))*.