Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
chinh xay » chinh xac, chinh xa, trinh xay
thu hanh » thuc hanh, thu thanh, thuy hanh
doanh ly » doanh va, dinh ly, doanh _
chinh ly » chinh la, sinh ly, trinh ly
tu hanh » du hanh, lu hanh, thuc hanh
ly khi » ly chi

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu hanh doanh ly khi đong luc ) or ( tu hanh ((chinh ly) OR (chinh xay)) khi đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu hanh doanh ly khi đong luc ) OR ( tu hanh ((chinh ly) OR (chinh xay)) khi đong luc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( thu hanh doanh ly khi đong luc ) or ( tu hanh ((chinh ly) OR (chinh xay)) khi đong luc ))".
• Adding a wildcard symbol may retrieve word variants: (( thu hanh doanh ly khi đong luc ) or ( tu hanh ((chinh ly) OR (chinh xay)) khi đong luc ))*.