Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
tham nuoc » thay nuoc, thoat nuoc, nha nuoc
va trinh » van trinh, va tinh, lap trinh
toan cua » than cua, tan cua, doanh cua
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
de cac » den cac, ve cac, de cai
te cao » te bao
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((de cac) or (te cao)) ky lang xa hoi. hieu va tham nuoc va trinh toan cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((de cac) OR (te cao)) ky lang xa hoi. hieu va tham nuoc va trinh toan cua te.
• Adding a wildcard symbol may retrieve word variants: ((de cac) or (te cao)) ky lang xa hoi. hieu va tham nuoc va trinh toan cua te*.