Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hanh hai » thanh hai, nhanh hai, hang hai
ban hanh » ban hang
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
ve cac » va cac, vien cac
sac ky » cac ky, sai ky
ve cam » ve cham, va cam, ve cai
su sac » su sach, su cac, su xac

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 hoi. hieu ((ve cam) or (ve cac)) duc ban hanh hai ((cua tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. hieu ((ve cam) OR (ve cac)) duc ban hanh hai ((cua tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu ((ve cam) or (ve cac)) duc ban hanh hai ((cua tre) or (cau tren))*.