Perhaps you should try some spelling variations:
thay nuoc » tham nuoc, tray nuoc, thoat nuoc
hanh tai » thanh tai, hang tai, han tai
dua tren » dung tren
hanh lam » thanh lap, hanh kem, hanh va
sach ky » sac ky, sach y, sach ty
te sach » toc sach
va thay » va tham, la thay, va hay
hieu va » lieu va, hieu qua
cao hoi » cau hoi, co hoi, cao hoc
cuu tre » cua tre, cau tren, cau treo

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 nang cao hoi. hieu va thay nuoc va ((hanh tai) or (hanh lam)) ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang cao hoi. hieu va thay nuoc va ((hanh tai) OR (hanh lam)) ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sach ky nang cao hoi. hieu va thay nuoc va ((hanh tai) or (hanh lam)) ((dua tren) or (cuu tre))*.