Perhaps you should try some spelling variations:
thu bang » thu ban, thu hang, chu bang
phap tai » pham tai, phap thi, phap tang
thi nang » thi cong, ki nang, thi hanh
te sach » toc sach
va chat » van chat, va phat, cao chat
tai cua » thai cua, tai cuc, tri cua
va phap » va phat, ban phap
va cham » va tham
cuu va » cuu van, cuu ve
cua cu » cua chu, cua cau, cua su
x hoi » xa hoi, o hoi, x ho

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 ((thu bang) or (thi nang)) x hoi. hieu ((va cham) or (va chat)) cuu va phap tai cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((thu bang) OR (thi nang)) x hoi. hieu ((va cham) OR (va chat)) cuu va phap tai cua cu.
• Adding a wildcard symbol may retrieve word variants: te sach ((thu bang) or (thi nang)) x hoi. hieu ((va cham) or (va chat)) cuu va phap tai cua cu*.