Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
cong san » cong tac
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 thieu tinh - anh ((truong cua) OR (truong cao)) dung cong san ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - anh ((truong cua) OR (truong cao)) dung cong san ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - anh ((truong cua) OR (truong cao)) dung cong san ((toan cau) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - anh ((truong cua) OR (truong cao)) dung cong san ((toan cau) or (toan tap))*.