Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thuat dieu » thuat dien
thanh tai » thanh hai, thanh toan, doanh tai
van nhung » van nhuong, va nhung, van hung
hanh tam » thanh tam, nhanh tam, hanh tram
cong san » cong tac
san toan » van toan, dan toan, 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: thuat dieu hanh - ((tinh toan) or (((hanh tam) or (thanh tai)))) van nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat dieu hanh - ((tinh toan) OR (((hanh tam) OR (thanh tai)))) van nhung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: thuat dieu hanh - ((tinh toan) or (((hanh tam) or (thanh tai)))) van nhung cong san toan cau*.