Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
dong luan » dung luan, tong luan, dong xuan
hang cong » dang cong, hang nong, bang cong
toan cao » toan ban, toan tap
ho lieu » so lieu, co lieu, ho kieu
ha dong » hoat dong, van dong
tan ca » tan cua, tang ca, dan ca

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 - ha dong luan ((thong cong) or (hang cong)) van ((tan ca) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - ha dong luan ((thong cong) OR (hang cong)) van ((tan ca) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - ha dong luan ((thong cong) or (hang cong)) van ((tan ca) or (toan cao))*.