Perhaps you should try some spelling variations:
hanh truc » hang truc, nhanh thuc, hanh thuoc
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
tang ma » mang may, tang van
thi van » thi lan, thi hanh, thi nang
truc va » thuc va, thuc vat, trung va
va hanh » va thanh, va danh, ban hanh
hanh va » hang va, hanh vi
cuu tre » cua tre, cau tren, cau treo
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
va cuu » va cau, va chu, va huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky ((nang xa) or (tang ma)) hoi. thi van hanh truc va hanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((nang xa) OR (tang ma)) hoi. thi van hanh truc va hanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky ((nang xa) or (tang ma)) hoi. thi van hanh truc va hanh va cuu tre*.