Perhaps you should try some spelling variations:
kich thich » tinh thich
canh tinh » hanh tinh, manh tinh, canh tranh
thi kich » thi bich, hi kich, thi kinh
thich su » tich su, thich ngu, thich sai
vu canh » ve canh, vu anh, vu manh
tinh so » tinh son, tinh soc, dinh so
giai » giao, gia, gian

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thi kich thich su - hoc cao ) or ( vu canh tinh so - so giai ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thi kich thich su - hoc cao ) OR ( vu canh tinh so - so giai )).
• Adding a wildcard symbol may retrieve word variants: (( thi kich thich su - hoc cao ) or ( vu canh tinh so - so giai ))*.