Perhaps you should try some spelling variations:
tham nuoc » thay nuoc, thoat nuoc, nha nuoc
va thanh » gia thanh, ban thanh, va tinh
van hanh » van thanh, ban hanh, van anh
luu tre » luu tru, cuu tre, luy tre
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
sai ky » sac ky
ha hoi » hoa hoi, ha noi, xa hoi
vi luu » vi lua
te sai » te tai, te bai, te lai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky lang ha hoi. ((lien quan) or (hieu qua)) tham nuoc ((van hanh) or (va thanh)) vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky lang ha hoi. ((lien quan) OR (hieu qua)) tham nuoc ((van hanh) OR (va thanh)) vi luu tre.
• Adding a wildcard symbol may retrieve word variants: te sai ky lang ha hoi. ((lien quan) or (hieu qua)) tham nuoc ((van hanh) or (va thanh)) vi luu tre*.