Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
thu sach » thuat sach, thuoc sach, thu hoach
va doanh » van doanh, vay doanh, va danh
tu sach » te sach, tu cach, vu sach
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
van cua » vang cua, ban cua, dan cua
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((tu sach) OR (thu sach))) or (su sach)) ky nang xa hoi. hieu ve cam duc va doanh van cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (thu sach))) OR (su sach)) ky nang xa hoi. hieu ve cam duc va doanh van cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((tu sach) OR (thu sach))) or (su sach)) ky nang xa hoi. hieu ve cam duc va doanh van cua te*".