Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, chien tranh
thien danh » thien anh, thien dang, thien chanh
nhung cong » dung cong, thong cong, hang cong
hien hanh » dieu hanh
quang van » quang ban, quan van, quang uan
van nhung » van nhuong, va nhung, van hung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((thien thanh) OR (hien hanh))) or (thien danh)) - nhanh quang van nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thien thanh) OR (hien hanh))) OR (thien danh)) - nhanh quang van nhung cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thien thanh) OR (hien hanh))) or (thien danh)) - nhanh quang van nhung cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thien thanh) OR (hien hanh))) or (thien danh)) - nhanh quang van nhung cong dan toan cau*.