Perhaps you should try some spelling variations:
chet duoc » che duoc, cho duoc, che quoc
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
nang mai » nang ma, nang tai, lang mai
duoc ban » duc ban, quoc ban, buoc ban
vai cua » dai cua, hai cua, lai cua
thu san » thuy san, thu ban, phu san
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
ve chet » ve chat, ve che, se chet
tu sac » tu sach, tu san, tu bac
cua tu » cua tuc, cua su, cua cu

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 (thu san))) or (tu cac)) ky nang mai hoi. hieu ve chet duoc ban hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sac) OR (thu san))) OR (tu cac)) ky nang mai hoi. hieu ve chet duoc ban hanh vai cua tu.
• Adding a wildcard symbol may retrieve word variants: ((((tu sac) or (thu san))) or (tu cac)) ky nang mai hoi. hieu ve chet duoc ban hanh vai cua tu*.