Perhaps you should try some spelling variations:
thanh tung » thanh cong
lieu tinh » trieu tinh, diep tinh, bien tinh
cua khong » cua phuong, cua thuong, cua cong
hua khong » hoa khong, hoac khong, phuc khong
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
ho lieu » so lieu, co lieu, ho kieu
chan tu » phan tu, han tu, chon tu

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) or (thanh tung)) ((cua khong) OR (hua khong)) cong dan chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - ((thanh trung) OR (thanh tung)) ((cua khong) OR (hua khong)) cong dan chan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho lieu tinh - ((thanh trung) or (thanh tung)) ((cua khong) OR (hua khong)) cong dan chan tu".
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - ((thanh trung) or (thanh tung)) ((cua khong) OR (hua khong)) cong dan chan tu*.