Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
toan cau » toan cao, toan ban, toan tap
theo ha » theo phap, theo chu, thep nha
ha tinh » va tinh, may tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ha tinh - ((hanh trinh) or (nhan sinh)) thuat nhung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ha tinh - ((hanh trinh) OR (nhan sinh)) thuat nhung cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ha tinh - ((hanh trinh) or (nhan sinh)) thuat nhung cong trinh toan cau*.