Perhaps you should try some spelling variations:
trong trinh » trong tinh, trang trinh, trong thinh
thieu xanh » chieu xanh, hieu manh, thien anh
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
trang qua » trong quan, trang tuan, trung quan
trong qua » trong quan, thong qua, trong nha
toan cau » 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: hoc thieu xanh - hanh ((trang qua) OR (trong qua)) dung trong trinh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((trang qua) OR (trong qua)) dung trong trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trang qua) OR (trong qua)) dung trong trinh toan cau*.