Perhaps you should try some spelling variations:
tinh viet » trinh viet, ninh viet, dinh viet
thuc dan » thuc hanh, hoc dan, thuc vat
dan tinh » doan tinh, dang tinh, dan trinh
viet cua » viec cua, viet ca, viet qua
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
ve chat » va chat, van chat
ve tai » te tai, de tai, le tai
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: tu cac ky lang xa hoi. hieu ((ve tai) or (ve chat)) thuc dan tinh viet cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky lang xa hoi. hieu ((ve tai) OR (ve chat)) thuc dan tinh viet cua te.
• Adding a wildcard symbol may retrieve word variants: tu cac ky lang xa hoi. hieu ((ve tai) or (ve chat)) thuc dan tinh viet cua te*.