Perhaps you should try some spelling variations:
tu tieng » luc tieng, tu tuong, tu trong
danh va » doanh va, hanh va, anh va
ky tang » ky nang, ky dang, kho tang
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
cam tu » cam thu, nam tu, dam tu
ve cam » ve cham, ve cac, va cam
tu sac » tu sach, tu san, tu bac
va moi » va mot, ve moi, va mo
va tu » va su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu cac)) ky tang ((ma moi) OR (va moi)). hieu ve cam tu va danh va tu tieng~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ky tang ((ma moi) OR (va moi)). hieu ve cam tu va danh va tu tieng*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu cac)) ky tang ((ma moi) OR (va moi)). hieu ve cam tu va danh va tu tieng*".