Perhaps you should try some spelling variations:
thuat tach » thuat sach, thuat mach, thuat tac
chong cong » cong cong, cuong cong, phong cong
thong cong » trong cong, tong cong, thong thong
manh tran » manh tuan, canh tranh, hanh trang
manh toan » thanh toan, anh tuan
ho thuat » hoc thuat, ho thuan, khoi thuat
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: ho thuat tach - ((manh tran) or (manh toan)) tuan ((chong cong) OR (thong cong)) tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thuat tach - ((manh tran) OR (manh toan)) tuan ((chong cong) OR (thong cong)) tinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thuat tach - ((manh tran) or (manh toan)) tuan ((chong cong) OR (thong cong)) tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho thuat tach - ((manh tran) or (manh toan)) tuan ((chong cong) OR (thong cong)) tinh toan cao*.