Perhaps you should try some spelling variations:
hang thai » hoang thai, hang tai, hang hai
thai cua » than cua, tai cuc, tri cua
van hang » van khang, van hoang, van thang
duoc van » duoc va, duc van, duoc ban
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
ve tac » va tac, ve cac, ve tai
ve tao » ve bao, de tao, ve tai
y nang » ky nang, ly nang, v nang
ma hoi » xa hoi, ma hoa, me hoi
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: te sach y nang ((ma hoi) or (mai hoi)). hieu ((ve tao) OR (ve tac)) duoc van hang thai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((ma hoi) OR (mai hoi)). hieu ((ve tao) OR (ve tac)) duoc van hang thai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((ma hoi) or (mai hoi)). hieu ((ve tao) OR (ve tac)) duoc van hang thai cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((ma hoi) or (mai hoi)). hieu ((ve tao) OR (ve tac)) duoc van hang thai cua tu*.