Perhaps you should try some spelling variations:
chet triet » chuyen triet, thuyet triet
ban thanh » ban hanh, ban hang
thanh le » thinh le, thanh ve, thanh de
va cham » va chat, va tham
le chet » la chet, se chet, le chien
xuc ban » duc ban, cuc ban, quoc ban
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang ro » nang co, nang ho, nang ra
ve cai » va cai, ve tai, ve cau
ro hoi » co hoi, o hoi, mo hoi
ve cac » va cac, vien cac

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 ky nang ro hoi. hieu ((((ve cai) or (ve cac))) or (va cham)) xuc ban thanh le chet triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ro hoi. hieu ((((ve cai) OR (ve cac))) OR (va cham)) xuc ban thanh le chet triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang ro hoi. hieu ((((ve cai) or (ve cac))) or (va cham)) xuc ban thanh le chet triet*.