Perhaps you should try some spelling variations:
tru nang » tra nang, tri nang, truc nano
nang cho » nang chon, ngang cho, nang cao
van hanh » van thanh, ban hanh, van anh
cac tru » ca tru, cac tro, cac thu
cho hoc » co hoc, khoa hoc
van cac » van hac, dan cac, van ca
van cau » van dau, van hau, van chat
van bac » van ban, van bao, van hac
duc van » duc va, duc tan, duc manh
cua cau » cua cac, cua chu, cua cay
te cac » tu cac, ve cac, te cao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac tru nang cho hoc. hieu ((((van cac) OR (van cau))) or (van bac)) duc van hanh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac tru nang cho hoc. hieu ((((van cac) OR (van cau))) OR (van bac)) duc van hanh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac tru nang cho hoc. hieu ((((van cac) OR (van cau))) or (van bac)) duc van hanh vi cua cau*".