Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » dong thanh, cong trinh, cong tan
thanh hoa » thanh pho
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
vap dung » van dung, va dung, vat dung
ap dung » xay dung, van dung
hoa tan » hoa dan, hoa van, hoa tin

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu tinh - thanh trung ((vap dung) OR (ap dung)) cong thanh hoa tan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu tinh - thanh trung ((vap dung) OR (ap dung)) cong thanh hoa tan".
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - thanh trung ((vap dung) OR (ap dung)) cong thanh hoa tan*.