Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
tham tuc » tham thuc, thai tuc, nham thuc
dua tren » dung tren
hang tai » hang va, dung tai
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va
tai hoi » tai khoi, dai hoi, tai hai
ky hang » ky nang, ly hang, ky dang
tuc va » thuc va, truc va, tuc xa
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 ky hang tai hoi. ((hieu va) OR (hieu qua)) tham tuc va thanh lap ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky hang tai hoi. ((hieu va) OR (hieu qua)) tham tuc va thanh lap ((dua tren) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky hang tai hoi. ((hieu va) OR (hieu qua)) tham tuc va thanh lap ((dua tren) or (cua te))*".