Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
thu san » thuy san, thu ban, phu san
ve cham » va cham, ve chat, vu cham
vai cua » dai cua, hai cua, lai cua
ve cam » ve cac, va cam, ve cai
san ky » sang ky, van ky, dan ky
cua cu » cua chu, cua cau, cua su
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu san ky nang ((x hoi) or (o hoi)). hieu ((ve cam) OR (ve cham)) duc va thanh vai cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ky nang ((x hoi) OR (o hoi)). hieu ((ve cam) OR (ve cham)) duc va thanh vai cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu san ky nang ((x hoi) or (o hoi)). hieu ((ve cam) OR (ve cham)) duc va thanh vai cua cu".
• Adding a wildcard symbol may retrieve word variants: thu san ky nang ((x hoi) or (o hoi)). hieu ((ve cam) OR (ve cham)) duc va thanh vai cua cu*.