Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
nang mai » nang ma, nang tai, lang mai
hieu van » hieu va, thien van, lieu va
mai hoi » mai khoi, dai hoi, lai hoi
van lam » van nam
lam duc » lam duoc, pham duc, nam duoc
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: phu ((van ky) OR (dan ky)) nang mai hoi. hieu van lam duc tan thanh ((vi cua) OR (di cua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "phu ((van ky) or (dan ky)) nang mai hoi. hieu van lam duc tan thanh ((vi cua) OR (di cua)) triet~".
• Adding a wildcard symbol may retrieve word variants: phu ((van ky) or (dan ky)) nang mai hoi. hieu van lam duc tan thanh ((vi cua) OR (di cua)) triet*.