Perhaps you should try some spelling variations:
thu sang » thu hang, thu san, thu bang
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
hieu van » thien van, lieu va, hieu ve
lap lai » lap tai, lay lai, lam lai
lap hai » lap tai, lap hoat, lanh hai
sang ky » sang kyo, dang ky, tang ky
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
ky sang » ky nang, ky dang, ky tang
vi cua » vai cua, di cua
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 sang ky sang ((lap hai) or (lap lai)). ((hieu van) or (hieu va)) cam duc va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sang ky sang ((lap hai) OR (lap lai)). ((hieu van) OR (hieu va)) cam duc va thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thu sang ky sang ((lap hai) or (lap lai)). ((hieu van) or (hieu va)) cam duc va thanh vi cua te*.