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
san toan » van toan, dan toan, manh toan
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 thieu tinh - hanh ((truong cua) OR (truong cao)) dung cong san toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - hanh ((truong cua) OR (truong cao)) dung cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh ((truong cua) OR (truong cao)) dung cong san toan ban*.