Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
hoc thieu » toc thieu, hoc hien
trinh han » trinh quan
trong van » trong cac
ho chieu » theo chieu, doi chieu, mot chieu
tinh cua » trinh cua, sinh cua, tinh chat
van toan » van tuan, van tan, van thanh
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) or (ho chieu)) xanh - hanh ((tinh cua) or (trinh han)) nhung trong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (ho chieu)) xanh - hanh ((tinh cua) OR (trinh han)) nhung trong van toan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (ho chieu)) xanh - hanh ((tinh cua) or (trinh han)) nhung trong van toan cau*.