Perhaps you should try some spelling variations:
thong cong » tong cong, thong thong, phong chong
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
kha nang » phap nang, ky nang, ki nang
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap
ho kha » co kha, ho ha, kho khan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho kha nang - hanh ((trang cua) or (trung cua)) ((thong cong) OR (trong cong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho kha nang - hanh ((trang cua) OR (trung cua)) ((thong cong) OR (trong cong)) van toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho kha nang - hanh ((trang cua) or (trung cua)) ((thong cong) OR (trong cong)) van toan cau".
• Adding a wildcard symbol may retrieve word variants: ho kha nang - hanh ((trang cua) or (trung cua)) ((thong cong) OR (trong cong)) van toan cau*.