Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nham thuc » nhan thuc, nam thuc, nham thu
thuc van » thuc vat, thuc dan, thuc va
van hang » van khang, van hoang, van thang
hang dau » hang va, hang tai
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve nham » ve nha, ve cham
cua tre » cua te, cuu tre, dua tren
y nang » ky nang, ly nang, v nang
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: te sach y nang ma hoi. hieu ve nham thuc van hang dau ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu ve nham thuc van hang dau ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu ve nham thuc van hang dau ((cua tre) or (cua triet))*.