Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
thanh tung » thanh cong
doi thich » doi tich, noi thich, doi chinh
dung cong » dung trong
sang than » cang thang, sang tao, ban than
doi tinh » doi trinh, hoi tinh, don tinh
tung ap » tang ap, tung dan, tung bay
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi thich) or (doi tinh)) anh - thanh tung ap dung cong ((sang than) OR (dang thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi thich) OR (doi tinh)) anh - thanh tung ap dung cong ((sang than) OR (dang thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi thich) or (doi tinh)) anh - thanh tung ap dung cong ((sang than) OR (dang thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: ((doi thich) or (doi tinh)) anh - thanh tung ap dung cong ((sang than) OR (dang thanh)) cau*.