Perhaps you should try some spelling variations:
thieu lang » hieu lang, thieu khang, thieu quang
hanh trinh » canh tranh, hanh chinh
trinh vat » trinh van, trinh luat, sinh vat
dang cong » dung cong
vat dang » van dang, vat dung, va dang
cong san » cong tac
san tran » tan tran, ban tran, dang tran
tran ban » tranh ban, tran van, toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu lang - hanh trinh vat dang cong san tran ban~.
• Adding a wildcard symbol may retrieve word variants: toc thieu lang - hanh trinh vat dang cong san tran ban*.