Perhaps you should try some spelling variations:
cao tren » ca tren, cau tren, co tren
hanh tai » thanh tai, hang tai, han tai
tai cao » thai cao, tao cao, tai sao
xa hanh » xa thanh, xa khanh, va hanh
nam tuc » nam thuc, nam truc, nam tu
te sach » toc sach
sach ky » sac ky, sach y, sach ty
tang ma » mang may, tang van
nang ma » sang ma, nang cao, mang may
hieu va » lieu va

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 ma) or (tang ma)) hoi. ((hieu va) or (hieu qua)) nam tuc xa hanh tai cao tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang ma) OR (tang ma)) hoi. ((hieu va) OR (hieu qua)) nam tuc xa hanh tai cao tren.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang ma) or (tang ma)) hoi. ((hieu va) or (hieu qua)) nam tuc xa hanh tai cao tren*.