Perhaps you should try some spelling variations:
hieu ve » hieu va, hieu van
cac luc » cau luc, coc luc, cac nuoc
danh de » dang de, danh di, danh du
hanh de » hanh ve, hanh kem
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, te cao, de cac
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc va
dan de » dan den, dang de, van de

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 ky nang x ho. hieu ve cac luc va ((((danh de) OR (dan de))) or (hanh de)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky nang x ho. hieu ve cac luc va ((((danh de) OR (dan de))) OR (hanh de)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky nang x ho. hieu ve cac luc va ((((danh de) OR (dan de))) or (hanh de)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te cac ky nang x ho. hieu ve cac luc va ((((danh de) OR (dan de))) or (hanh de)) cua tre*.