Perhaps you should try some spelling variations:
va doanh » van doanh, vay doanh, va danh
thu nang » thi nang, thu hang, thu bang
cham xuc » cam xuc, cham soc, pham duc
sach thu » sach thue, sach thieu, sach tham
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
van cuu » van cau, van chu, van cua
van cu » van cau, van chu, van cua
ma hoi » mai hoi, xa hoi, ma hoa

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 thu nang ma hoi. hieu ve ((cham xuc) or (chat xuc)) va doanh ((van cuu) OR (van cu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu nang ma hoi. hieu ve ((cham xuc) OR (chat xuc)) va doanh ((van cuu) OR (van cu)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thu nang ma hoi. hieu ve ((cham xuc) or (chat xuc)) va doanh ((van cuu) OR (van cu)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach thu nang ma hoi. hieu ve ((cham xuc) or (chat xuc)) va doanh ((van cuu) OR (van cu)) tre*.