Perhaps you should try some spelling variations:
thien van » thi van
va thanh » gia thanh, ban thanh, va tinh
ban hang » ngan hang
su triet » su viet, su tien, ve triet
vu sach » vu bach, su sach, vu khach
van lam » van nam
va danh » va dinh, va dan, va hanh
y nang » ky nang, ly nang, v nang
lam tu » nam tu, cam tu, dam tu
ki su » ky su

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 y nang x ho. thien van lam tu ((((va thanh) or (ban hang))) or (va danh)) ki su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang x ho. thien van lam tu ((((va thanh) OR (ban hang))) OR (va danh)) ki su triet.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang x ho. thien van lam tu ((((va thanh) or (ban hang))) or (va danh)) ki su triet*.