Perhaps you should try some spelling variations:
sach kem » hanh kem
hanh tai » thanh tai, hang tai, han tai
tai cuu » tai cuc, tai buu, tai cua
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
cuu tre » cua tre, cau tren, cau treo
nang xa » nang x, lang xa, nang ma
sac ky » cac ky, sai ky
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach kem) or (sac ky)) nang xa hoi. hieu ((ve cam) or (ve cham)) duc va hanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach kem) OR (sac ky)) nang xa hoi. hieu ((ve cam) OR (ve cham)) duc va hanh tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach kem) or (sac ky)) nang xa hoi. hieu ((ve cam) or (ve cham)) duc va hanh tai cuu tre*.