Perhaps you should try some spelling variations:
danh doi » danh di, thanh doi, dung doi
thu sac » thu sach, thu xac, thu dac
van hac » van hoc, van ha, van hai
doi cua » dai cua, hoi cua
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
van cac » van cau, van bac, dan cac
nang xa » nang x, lang xa, nang ma
thu san » thuy san, thu ban, phu san
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sac) OR (thu san)) ky nang xa hoi. hieu ((van cac) or (van hac)) truc va danh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sac) OR (thu san)) ky nang xa hoi. hieu ((van cac) OR (van hac)) truc va danh doi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sac) OR (thu san)) ky nang xa hoi. hieu ((van cac) or (van hac)) truc va danh doi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sac) OR (thu san)) ky nang xa hoi. hieu ((van cac) or (van hac)) truc va danh doi cua tre*.