Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
trung va » truong va, trang va, trung ha
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
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 - thanh ((trung va) or (hang va)) ((nhung cong) or (thong cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - thanh ((trung va) OR (hang va)) ((nhung cong) OR (thong cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - thanh ((trung va) or (hang va)) ((nhung cong) or (thong cong)) dan toan cao*.