Perhaps you should try some spelling variations:
tham nuoc » thay nuoc, thoat nuoc, nha nuoc
thien van » thi van
tham soc » cham soc, thai son, ham so
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, lieu va, hieu ve
te sach » toc sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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 lang xa hoi. ((hieu van) or (thien van)) ((tham soc) or (tham nuoc)) van hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. ((hieu van) OR (thien van)) ((tham soc) OR (tham nuoc)) van hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. ((hieu van) or (thien van)) ((tham soc) or (tham nuoc)) van hanh vi cuu tre*.