Perhaps you should try some spelling variations:
phan bieu » phan bien, phan hieu, phan kien
bieu cua » dieu cua, hieu cua, ben cua
thu sac » thu sach, thu san, thu xac
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hieu va » lieu va, hieu qua
luc va » duc va, tuc va
loc va » hoc va
suc va » duc va, tuc va, soc va
sac ky » cac ky, sai ky
va cao » va cac, va co, va dao
ha hoi » hoa hoi, ha noi, xa hoi
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: thu sac ky lang ha hoi. hieu va cao ((suc va) or (((luc va) or (loc va)))) phan bieu cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky lang ha hoi. hieu va cao ((suc va) OR (((luc va) OR (loc va)))) phan bieu cua te.
• Adding a wildcard symbol may retrieve word variants: thu sac ky lang ha hoi. hieu va cao ((suc va) or (((luc va) or (loc va)))) phan bieu cua te*.