Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trinh van » trinh quan, trinh toan, dinh van
trinh han » trinh quan
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban
doi chi » doi khi

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 (doi chi)) xanh - hanh ((trinh van) OR (trinh han)) nhung cong tan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (doi chi)) xanh - hanh ((trinh van) OR (trinh han)) nhung cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (doi chi)) xanh - hanh ((trinh van) OR (trinh han)) nhung cong tan toan ban*.