Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
trung ha » trung hoc, trung tam, trung cap
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban
ho lieu » so lieu, co lieu, ho kieu
tung va » trung va, tuong va, vung va

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 - thanh ((((tung va) or (dung va))) or (trung ha)) thong cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - thanh ((((tung va) OR (dung va))) OR (trung ha)) thong cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - thanh ((((tung va) or (dung va))) or (trung ha)) thong cong tac toan tap*.