Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trinh ban » trinh san, trinh dan, trinh bao
trinh han » trinh quan
ho chieu » theo chieu, doi chieu, mot chieu
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) xanh - canh ((trinh ban) or (trinh han)) nhung cong van phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - canh ((trinh ban) OR (trinh han)) nhung cong van phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) xanh - canh ((trinh ban) or (trinh han)) nhung cong van phan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) xanh - canh ((trinh ban) or (trinh han)) nhung cong van phan cau*.