Perhaps you should try some spelling variations:
chat trang » nhat trang, chat trong, chuan trang
hieu cao » chieu cao, hieu cac, hieu ca
hanh dai » hanh tai, hanh dao, vanh dai
trang va » tran van, hang va
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
ca tren » cau tren, cu tren, la tren
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sac ky)) lang xa hoi. hieu cao chat trang va hanh dai ((cua tre) or (ca tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sac ky)) lang xa hoi. hieu cao chat trang va hanh dai ((cua tre) OR (ca tren)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sac ky)) lang xa hoi. hieu cao chat trang va hanh dai ((cua tre) or (ca tren))*.