Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
bien tinh » bi tinh, yen tinh, diep tinh
trinh van » trinh han, trinh quan, trinh toan
trong van » trong cac
van thuat » va thuat, van thuan, van tuan
thuat dam » thuat cam, thuat do, thuat xay
van dung » van dong, xay dung, tin dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((bien tinh) or (trieu tinh)) - hanh trinh van dung trong van thuat dam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((bien tinh) OR (trieu tinh)) - hanh trinh van dung trong van thuat dam.
• Adding a wildcard symbol may retrieve word variants: hoc ((bien tinh) or (trieu tinh)) - hanh trinh van dung trong van thuat dam*.