Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
nhan dang » nhan dan, phan dang, tran dang
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
ho chieu » theo chieu, doi chieu, mot chieu
theo chu » theo chieu, cho chu, chao chu
toan ban » van ban
dang va » dang van, dang vat, hang va
va dung » van dung, va duong, vat dung

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))) or (theo chu)) xanh - nhan dang va dung cong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (hoc thieu))) OR (theo chu)) xanh - nhan dang va dung cong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (hoc thieu))) or (theo chu)) xanh - nhan dang va dung cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) OR (hoc thieu))) or (theo chu)) xanh - nhan dang va dung cong tinh toan ban*.