Perhaps you should try some spelling variations:
chat thien » phat trien, cai thien, phat hien
ban thanh » ban hanh, ban hang
thanh le » thinh le, thanh ve, thanh de
sach ty » sach y, sach tu, sach thu
le chat » ly chat, le nhat, ve chat
xuc ban » duc ban, cuc ban, quoc ban
vu sach » vu bach, su sach, vu khach
nang ro » nang co, nang ho, nang ra
ty nang » ky nang, ty xang, ty hang
ve cam » ve cham, ve cai, ve cau
ve cac » va cac, vien cac
va cam » va cham, va cac, va cao
ro hoi » co hoi, o hoi, mo hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang ro hoi. hieu ((((ve cam) or (ve cac))) or (va cam)) xuc ban thanh le chat thien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang ro hoi. hieu ((((ve cam) OR (ve cac))) OR (va cam)) xuc ban thanh le chat thien.
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang ro hoi. hieu ((((ve cam) or (ve cac))) or (va cam)) xuc ban thanh le chat thien*.