Perhaps you should try some spelling variations:
dang bai » dung bai, dang hai, dang ba
chat huu » pham huu
hanh vai » hanh vi, hanh va, hanh tai
chat xuc » cam xuc, chao xu, chat cua
ban hanh » ban hang
vai cua » dai cua, hai cua, lai cua
tu sach » thu sach, su sach, te sach
ky dang » ky nang, ky danh
bai hoi » bai choi, bai hoc, dai hoi
hieu va » lieu va, hieu qua
tu sac » tu cac, tu san, tu bac
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 sac) OR (tu sach)) ky dang bai hoi. hieu va ((chat xuc) or (chat huu)) ban hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky dang bai hoi. hieu va ((chat xuc) OR (chat huu)) ban hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu sach)) ky dang bai hoi. hieu va ((chat xuc) or (chat huu)) ban hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu sach)) ky dang bai hoi. hieu va ((chat xuc) or (chat huu)) ban hanh vai cua te*.