Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
ho chieu » theo chieu, doi chieu, mot chieu
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh

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