Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham truc » cau truc, nham thuc, pham thuc
hang dau » hang va, hang tai
van hang » van khang, van hoang, van thang
truc van » truc va, thuc van, truc ban
te sach » toc sach
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
va cham » va chat, va tham
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 hoi. hieu va cham truc van hang dau ((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 hoi. hieu va cham truc van hang dau ((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 hoi. hieu va cham truc van hang dau ((cua te) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (v nang)) mai hoi. hieu va cham truc van hang dau ((cua te) or (cua triet))*.