Perhaps you should try some spelling variations:
van tuan » van quan, van ban, anh tuan
dua tren » dung tren
tuan van » luan van, tran van, tan van
sach ky » sac ky, sach y, sach ty
cua tre » cuu tre, cua triet, cua thep
te sach » toc sach
xuc van » duc van, luc van, vuc van
lam xuc » cam xuc, lam duoc
hieu va » lieu va, hieu qua
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
va lam » van lam, va lap
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 dang xa hoi. hieu va lam xuc van tuan van ((((cua tre) OR (dua tren))) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang xa hoi. hieu va lam xuc van tuan van ((((cua tre) OR (dua tren))) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky dang xa hoi. hieu va lam xuc van tuan van ((((cua tre) OR (dua tren))) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sach ky dang xa hoi. hieu va lam xuc van tuan van ((((cua tre) OR (dua tren))) or (cua te))*.