Perhaps you should try some spelling variations:
tuan thanh » thuan thanh, quan thanh, tran thanh
thanh tri » thanh tra, thanh tai, chinh tri
vu khach » vu khanh, vu khac, vay khach
khach ty » sach ty
luc tuan » luc luan, luc quan, luu tuan
cham luc » cham soc, nhan luc, cham cuu
va cham » va chat, va tham
hieu va » lieu va, hieu qua
ty dang » ty xang, ky dang, ty hang
ha hoi » hoa hoi, xa hoi, va 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: vu khach ty dang ((ha hoi) or (ha noi)). hieu va cham luc tuan thanh tri ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ty dang ((ha hoi) OR (ha noi)). hieu va cham luc tuan thanh tri ((cua te) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khach ty dang ((ha hoi) or (ha noi)). hieu va cham luc tuan thanh tri ((cua te) OR (cua tu))*".