Perhaps you should try some spelling variations:
thuat thanh » thuan thanh, thuat than, thuat toan
truong cong » trong cong, truong dong, truong long
hanh trang » thanh trung, canh tranh, hanh trinh
thuat tai » thuat bai, thuat tao, thuat cai
xa truong » cac truong
cong bang » cuong bang, dong bang, hong bang
trang xa » trang va, trang ha, trong xa
than ban » thanh ban, than man, nhuan ban
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thuat thanh) or (thuat tai)) - hanh trang xa truong cong bang ((than ban) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thuat thanh) OR (thuat tai)) - hanh trang xa truong cong bang ((than ban) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thuat thanh) or (thuat tai)) - hanh trang xa truong cong bang ((than ban) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thuat thanh) or (thuat tai)) - hanh trang xa truong cong bang ((than ban) OR (toan ban))*.