Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
thanh te » thanh de, thanh le, thanh tu
trung ha » trung hoc, trung tam, trung cap
thu sac » thu sach, thu san, thu xac
cua tre » cua te, cuu tre, cua triet
sac kho » suc khoe, cac khoi, dac khoa
hieu su » hieu sau, tieu su, hieu so
tang ha » lang ha, tang ma, tang van
cao vu » cao su, cao va, cao tu
vu van » tu van
su cao » cu cao, vu cao, su co

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 kho ((tang ha) or (trung ha)) noi. hieu su cao vu van ((thanh te) OR (thanh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac kho ((tang ha) OR (trung ha)) noi. hieu su cao vu van ((thanh te) OR (thanh ve)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sac kho ((tang ha) or (trung ha)) noi. hieu su cao vu van ((thanh te) OR (thanh ve)) cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sac kho ((tang ha) or (trung ha)) noi. hieu su cao vu van ((thanh te) OR (thanh ve)) cua tre*.