Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
lieu tinh » trieu tinh, diep tinh, bien tinh
trang qua » trong qua, trong quan, trang tuan
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - hanh ((trang qua) or (trung tuan)) dung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh ((trang qua) OR (trung tuan)) dung cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh ((trang qua) or (trung tuan)) dung cong tan toan ban*.