Perhaps you should try some spelling variations:
trong trinh » trong tinh, trang trinh, trong thinh
trinh toan » tinh toan, thanh toan, trinh han
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
doc hieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
toan tap » toan ban
tang ap » tang van, tang tai, tang dan
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((doc hieu) OR (hoc thieu))) or (ho chieu)) xanh - hanh tang ap dung trong trinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doc hieu) OR (hoc thieu))) OR (ho chieu)) xanh - hanh tang ap dung trong trinh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((doc hieu) OR (hoc thieu))) or (ho chieu)) xanh - hanh tang ap dung trong trinh toan tap".
• Adding a wildcard symbol may retrieve word variants: ((((doc hieu) OR (hoc thieu))) or (ho chieu)) xanh - hanh tang ap dung trong trinh toan tap*.